20119+3550 SEI 985AB

Coord 2000	20119+3550		Discov num	SEI 985		Comp	AB		Coord arcsec 2000	20 11 54.50 +35 50 12.4
Date first	1896		Date last	2015		Obs	13
Pa first	18		Pa last	17		P.A. Now (θ)	17°
Sep first	16.9		Sep last	16.6		Sep. Now (ρ)	16.6"
Mag pri	10.80		Mag sec	10.90		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-009		Sec motion ra	-004
Pri motion dec	-006		Sec motion dec	-006
Notes

rPM=0.462 Nature of this double is uncertain.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

20119+3550

SEI 985

AB

1896

2015

13

17

16.6

10.80

10.90

0.10

<===

Show

20119+3550

BKO 103

AC

1998

2015

8

92

8.1

10.80

14.00

3.20

Triple system
3 visible stars in this system

Precise pa

17.3

Precise sep

16.568

Constellation

Cygnus

Gaia DR2

13161230848

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20119+3550	SEI 985	AB	2002	7	17	16.6	10.80	10.90		D	201154.50+355012.4
20119+3550	SEI 985	AB	2015	9	17	16.6	10.80	10.90			201154.50+355012.4

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